package com.example.demo.example.atomic;

import com.example.demo.annoations.ThreadSafe;
import lombok.Getter;
import lombok.extern.slf4j.Slf4j;

import java.util.concurrent.atomic.AtomicIntegerFieldUpdater;

@Slf4j
@ThreadSafe
public class AtomicExample5 {

    private static AtomicIntegerFieldUpdater<AtomicExample5> updater = AtomicIntegerFieldUpdater.newUpdater(AtomicExample5.class, "count");

    @Getter
    public volatile int count = 100;

    private static AtomicExample5 example5 = new AtomicExample5();

    public static void main(String[] args) {

        if(updater.compareAndSet(example5, 100, 120)){
            log.info("update success 1, {}",example5.getCount());
        }


        if(updater.compareAndSet(example5, 100, 120)){
            log.info("update success 2, {}",example5.getCount());
        }else{
            log.info("update failed");
        }

    }

}
